CN105588523A - Measuring method and measuring device - Google Patents
Measuring method and measuring device Download PDFInfo
- Publication number
- CN105588523A CN105588523A CN201610049748.XA CN201610049748A CN105588523A CN 105588523 A CN105588523 A CN 105588523A CN 201610049748 A CN201610049748 A CN 201610049748A CN 105588523 A CN105588523 A CN 105588523A
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- ultrasonic
- signal
- measuring method
- electric pole
- testing signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
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- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a measuring method and a measuring device. The measuring method comprises the steps of: emitting an ultrasonic detection signal into a cement pedestal, and recording toe emission time of the ultrasonic detection signal; carrying out ultrasonic detection signal detection, and recording the time when a characteristic ultrasonic detection signal is detected, wherein the characteristic ultrasonic detection signal the ultrasonic detection signal reflected by an interface between the lower surface of the cement pedestal and soil; and calculating the buried depth of an electric pole according to the propagation speed of the ultrasonic wave in the cement pedestal and the recoded time. According to the invention, the buried depth of the electric pole can be rapidly detected by means of the ultrasonic signal.
Description
Technical field
The present invention relates to power supply unit detection technique field, in particular, relate to a kind of measuring method withAnd hand-held measuring instrument.
Background technology
Electric pole is applicable to city net rural power grids high-low pressure electric power transformation and various power overhead network and communication cableSetting up, is one of important infrastructure of power supply, communication. The safety of electric pole directly affects power supplyStability, the security that electric power is carried, especially, in the multiple coastal area of typhoon, electric pole is according to designRequirement will have enough buried degree of depth.
Produce thus a problem: how to judge the electric pole depth of burying. Most of electric pole buried depth qualityReach requirement, become the important infrastructure of promoting economic development with social progress, but because of various reasons,There is hidden danger in the part electric pole depth of burying, safety problem makes us surveying sorrow.
Therefore, how to judge that whether electric pole burying depth meets design requirement is current for electrical domain urgent needThe problem solving.
Summary of the invention
For addressing the above problem, the invention provides a kind of measuring method and hand-held measuring instrument, canThe burying depth of Quick Measurement electric pole.
To achieve these goals, the invention provides following technical scheme:
A kind of measuring method, for measuring the burying depth of electric pole, water is passed through in the lower end of described electric poleMud base is fixed on ground, and this measuring method comprises:
In described cement base, launch ultrasonic testing signals, and record described ultrasonic testing signalsLaunch time;
Carry out ultrasonic signal detection, record detects the time of feature ultrasonic signal; Described feature is superAcoustic signals is the ultrasonic wave inspection through the interface reflection between lower surface and the soil of described cement baseSurvey signal;
Electricity described in spread speed according to ultrasonic wave in described cement base and the Time Calculation recordingThe burying depth of line bar.
Preferably, in above-mentioned measuring method, described to launching ultrasound examination letter in described cement baseNumber comprise: to being arranged on the ultrasound examination of launching predeterminated frequency in the boring of described cement base upper surfaceSignal.
Preferably, in above-mentioned measuring method, the described boring to being arranged on described cement base upper surfaceThe ultrasonic testing signals of interior transmitting predeterminated frequency comprises:
Determine target frequency, launch described ultrasonic signal with described target frequency.
Preferably, in above-mentioned measuring method, described definite target frequency comprises:
To carrying out ultrasonic signal detection in preset range;
Select the ultrasonic testing signals of transmitting predeterminated frequency according to testing result.
The present invention also provides a kind of measurement mechanism, for measuring the burying depth of electric pole, and this measurement dressPut and comprise: controller, the sender unit being connected with described controller and being connected with described controllerSignal supervisory instrument;
Described sender unit is used for launching ultrasonic wave;
Described signal supervisory instrument is used for carrying out ultrasound examination;
Described controller for launching ultrasound examination at described signal generation apparatus in described cement baseWriting time when signal; Controller is also for feature ultrasonic signal being detected at described signal supervisory instrumentTime writing time; Described controller also for according to ultrasonic wave the spread speed of described cement base withAnd the burying depth of electric pole described in the Time Calculation recording;
Wherein, described feature ultrasonic signal is through between the lower surface of described cement base and soilThe ultrasonic testing signals of interface reflection.
Preferably, in above-mentioned measurement mechanism, launch described ultrasound examination at described sender unitBefore signal, described controller is also ultrasonic to carrying out in preset range for controlling described signal supervisory instrumentRipple detects, and selects the ultrasonic wave inspection of transmitting predeterminated frequency according to sender unit described in testing result controlSurvey signal.
Preferably, in above-mentioned measurement mechanism, also comprise: housing, described controller arranges describedIn housing.
Preferably, in above-mentioned measurement mechanism, described sender unit is fixed on the first probe,Described the first probe is positioned at described hull outside, and described sender unit is by wire and described Quality InitiativeConnect.
Preferably, in above-mentioned measurement mechanism, described signal supervisory instrument is fixed on the second probe, described inThe second probe is positioned at described hull outside, and described signal supervisory instrument links by wire and described control.
Known by foregoing description, measuring method provided by the invention comprises: in described cement base, send outPenetrate ultrasonic testing signals, and record the launch time of described ultrasonic testing signals; Carry out ultrasonic wave letterNumber detect, record detects time of feature ultrasonic signal; Described feature ultrasonic signal is process instituteState the ultrasonic testing signals of the interface reflection between lower surface and the soil of cement base; According to ultrasonicDescribed in the spread speed of ripple in described cement base and the Time Calculation that records electric pole bury darkDegree. This measuring method can fast detecting electric pole by ultrasonic signal burying depth.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, notPay under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The schematic flow sheet of a kind of measuring method that Fig. 1 provides for the embodiment of the present application;
Fig. 2 is the principle schematic of measuring method shown in Fig. 1;
The schematic flow sheet of a kind of definite target frequency method that Fig. 3 provides for the embodiment of the present application;
The structural representation of a kind of measurement mechanism that Fig. 4 provides for the embodiment of the present application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
When prior art detects the burying depth of concrete wire pole, a kind of mode is to utilize cement electricityThe pyramidal structure of line bar, calculates burying depth by how much mathematical way, need to instruct electric pole to be detectedThe special parameter of corresponding pyramidal structure, and which computational process complexity, efficiency is lower.
The mode of burying depth of calculating electric pole also comprises by mark scale designation on electric pole, withBe convenient to detect burying depth. If by forming groove or projection as described yardstick mark on electric poleRemember, can affect outward appearance, mechanical strength and the service life of electric pole. If by coating or put upMark is as described scale designation, in transport or installing wire bar or long-time use procedure,Scale designation easily comes off or weares and teares, once scale designation easily come off or wear and tear, cannot be directObtain the burying depth of electric pole by reading marking scales.
In order to address the above problem, the invention provides a kind of for measuring the survey of burying depth of electric poleMetering method, the lower end of described electric pole is fixed on ground by cement base, and this measuring method is as Fig. 1 instituteShow the schematic flow sheet of a kind of measuring method that Fig. 1 provides for the embodiment of the present application, this measuring method bagDraw together:
Step S11: launch ultrasonic testing signals in described cement base, and record described ultrasonic wave inspectionSurvey the launch time of signal.
Be T the launch time of setting described ultrasonic testing signals1
Step S12: carry out ultrasonic signal detection, record detects the time of feature ultrasonic signal.
Wherein, described feature ultrasonic signal is through between the lower surface of described cement base and soilThe ultrasonic testing signals of interface reflection.
Setting detects that the time of feature ultrasonic signal is T2。
Step S13: the spread speed according to ultrasonic wave in described cement base and the time of recording meterCalculate the burying depth of described electric pole.
With reference to figure 2, Fig. 2 is the principle schematic of measuring method shown in Fig. 1, and electric pole 21 passes through cement base22 are fixed in soil 23. Between the lower surface of cement base 22 and soil 23, there is interface 24. CementThe residing space of base 22 can be equivalent to a well construction being arranged in soil 23, in this well construction, fills outBe filled with cement base. Therefore, can carry out ultrasonic signal processing and identification institute based on the principle of acoustic loggingState feature ultrasonic signal.
Optionally, in described measuring method, described to launching ultrasound examination letter in described cement baseNumber comprise: to being arranged on the ultrasound examination of launching predeterminated frequency in the boring of described cement base upper surfaceSignal. The degree of depth of setting described boring is H1。
The spread speed of ultrasonic signal in known media is known constant, or can pass through cement bond loggingThe principle of well is measured the spread speed of ultrasonic wave at cement base. Set ultrasonic signal at cement baseSpread speed is V, and V is known constant.
It should be noted that, in the embodiment of the present application, the burying depth of electric pole 21 equals cement baseThe degree of depth. The burying depth of electric pole is generally several meters, and hyperacoustic spread speed is larger, therefore, and canBe considered as ultrasonic wave in cement base 22 with straightline propagation.
As shown in Figure 2, the burying depth H=H of electric pole 211+H2. Wherein, H1For the degree of depth of boring, H2For the distance of ultrasonic testing signals one-way only propagation. , 2*H2＝(T2-T1) * V. Therefore, Ke YijiCalculate H=H1+0.5*(T2-T1)*V。
Optionally, describedly in the boring of described cement base upper surface, launch the super of predeterminated frequency to being arranged onSonic detection signal comprises: determine target frequency, launch described ultrasonic signal with described target frequency.
With reference to figure 3, the flow process signal of a kind of definite target frequency method that Fig. 3 provides for the embodiment of the present applicationFigure, the method comprises:
Step S21: to carrying out ultrasonic signal detection in preset range.
For fear of the ultrasonic wave in environment, depth survey is produced and is disturbed, in described measuring method, toIn cement base before the super ripple detection signal of transmitting, by carrying out ultrasonic signal detection in preset range,To sentence whether there is ultrasonic signal in preset range.
Step S22: the ultrasonic testing signals of selecting transmitting predeterminated frequency according to testing result.
If detect in preset range and do not have ultrasonic signal, select one in this supersonic bandFrequency, the ultrasonic signal of transmitting predeterminated frequency taking this frequency as target frequency.
If detect in preset range and have ultrasonic signal, in supersonic band, select one withThe ultrasonic signal detecting has the frequency of different frequency as target frequency, takes place frequently and penetrates in advance with this targetIf the ultrasonic signal of frequency.
Measuring method described in the embodiment of the present application, detects the burying depth of electric pole by ultrasonic signal,Detection method is simple, easy to operate. And in the time carrying out depth detection, also by ultrasound examination environmentDisturb ultrasonic signal, adopt non-existent frequency in environment to believe as target frequency transmitting ultrasound examinationNumber, ensure the accuracy detecting.
Based on above-mentioned measuring method, the application another embodiment also provide a kind of measurement mechanism, this measurementDevice is used for realizing above-mentioned measuring method, and as shown in Figure 4, Fig. 4 is that the application is real to the structure of this measurement mechanismThe structural representation of executing a kind of measurement mechanism that example provides, this measurement mechanism comprises: controller 41, signalEmitter 42 and signal supervisory instrument 43.
Wherein, described sender unit 42 and described signal receiving device 43 all with described controller41 connect. Described sender unit 42 is for launching ultrasonic wave; Described signal supervisory instrument 43 forCarry out ultrasound examination. Concrete, described sender unit 42 is supersonic generator, described signalReceiving system 43 is ultrasonic receiver.
Described controller 41 is for ultrasonic to launching in described cement base at described signal generation apparatus 42Writing time when ripple detection signal; Controller 41 is also for spy being detected at described signal supervisory instrument 43Writing time while levying ultrasonic signal; Described controller 41 also for according to ultrasonic wave at described cement baseIn spread speed and the Time Calculation that records described in the burying depth of electric pole. Wherein, described spyLevying ultrasonic signal is reflect through the interface between lower surface and the soil of described cement base ultrasonicRipple detection signal.
Interference for fear of the ultrasonic signal in environment to depth survey, at described sender unitBefore the described ultrasonic testing signals of 42 transmitting, described controller 41 is also for controlling described signal detection dressPut in 43 pairs of preset range and carry out ultrasound examination, according to sender unit 42 described in testing result controlSelect the ultrasonic testing signals of transmitting predeterminated frequency.
Optionally, for electronic device is carried out to packaging protection, be convenient to carrying of measurement mechanism, institute simultaneouslyStating measurement mechanism also comprises: housing, described controller arranges in described housing. Need to illustrateBe, Fig. 4 is only the principle schematic of measurement mechanism, does not represent practical structures, not shown described shell in Fig. 4Body.
Described sender unit is fixed on the first probe, and described the first probe is positioned at outside described housingPortion, described sender unit links by wire and described control. Described signal supervisory instrument is fixed onThe second probe, described the second probe is positioned at described hull outside, described signal supervisory instrument by wire withDescribed control link. In the embodiment of the present application, described measurement mechanism comprises that one first is popped one's head in and twoThe second probe, forms one one two transducer probe of receiving, with connecing of the ultrasonic signal after ensureing to reflectYield.
Described in the embodiment of the present application, measurement mechanism can be measured electricity by measuring method described in this above-described embodimentThe burying depth of line bar. Simple to operate, be easy to carry.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe present invention. To be aobvious and easy for those skilled in the art to the multiple amendment of these embodimentSee, General Principle as defined herein can be in the situation that not departing from the spirit or scope of the present invention,Realize in other embodiments. Therefore, the present invention will can not be restricted to these embodiment shown in this article,But to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a measuring method, for measuring the burying depth of electric pole, the lower end of described electric pole is passed throughCement base is fixed on ground, it is characterized in that, this measuring method comprises:
In described cement base, launch ultrasonic testing signals, and record described ultrasonic testing signalsLaunch time;
Carry out ultrasonic signal detection, record detects the time of feature ultrasonic signal; Described feature is superAcoustic signals is the ultrasonic wave inspection through the interface reflection between lower surface and the soil of described cement baseSurvey signal;
Electricity described in spread speed according to ultrasonic wave in described cement base and the Time Calculation recordingThe burying depth of line bar.
2. measuring method according to claim 1, is characterized in that, described to described cement baseInterior transmitting ultrasonic testing signals comprises: pre-to being arranged in the boring of described cement base upper surface transmittingIf the ultrasonic testing signals of frequency.
3. measuring method according to claim 2, is characterized in that, described to being arranged on described waterIn the boring of mud base upper surface, the ultrasonic testing signals of transmitting predeterminated frequency comprises:
Determine target frequency, launch described ultrasonic signal with described target frequency.
4. measuring method according to claim 3, is characterized in that, described definite target frequency bagDraw together:
To carrying out ultrasonic signal detection in preset range;
Select the ultrasonic testing signals of transmitting predeterminated frequency according to testing result.
5. a measurement mechanism, for measuring the burying depth of electric pole, is characterized in that, this measurement dressPut and comprise: controller, the sender unit being connected with described controller and being connected with described controllerSignal supervisory instrument;
Described sender unit is used for launching ultrasonic wave;
Described signal supervisory instrument is used for carrying out ultrasound examination;
Described controller for launching ultrasound examination at described signal generation apparatus in described cement baseWriting time when signal; Controller is also for feature ultrasonic signal being detected at described signal supervisory instrumentTime writing time; Described controller also for according to ultrasonic wave the spread speed of described cement base withAnd the burying depth of electric pole described in the Time Calculation recording;
Wherein, described feature ultrasonic signal is through between the lower surface of described cement base and soilThe ultrasonic testing signals of interface reflection.
6. measurement mechanism according to claim 5, is characterized in that, at described sender unitBefore launching described ultrasonic testing signals, described controller is also for controlling described signal supervisory instrument pairIn preset range, carry out ultrasound examination, select transmitting according to sender unit described in testing result controlThe ultrasonic testing signals of predeterminated frequency.
7. measurement mechanism according to claim 5, is characterized in that, also comprises: housing, described inController arranges in described housing.
8. measurement mechanism according to claim 7, is characterized in that, described sender unit peaceDress is fixed on the first probe, and described the first probe is positioned at described hull outside, and described sender unit is logicalCrossing wire links with described control.
9. measurement mechanism according to claim 7, is characterized in that, described signal supervisory instrument is solidFix on the second probe, described the second probe is positioned at described hull outside, and described signal supervisory instrument is by leadingLine links with described control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049748.XA CN105588523A (en) | 2016-01-25 | 2016-01-25 | Measuring method and measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610049748.XA CN105588523A (en) | 2016-01-25 | 2016-01-25 | Measuring method and measuring device |
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| CN105588523A true CN105588523A (en) | 2016-05-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469236A (en) * | 2018-02-11 | 2018-08-31 | 北京航空航天大学 | A kind of intelligent column buried depth probe suitable for guardrail movement inspection platform |
| CN111481195A (en) * | 2020-04-23 | 2020-08-04 | 翟红 | Wireless acquisition system for electroencephalogram signal acquisition |
| CN114441644A (en) * | 2022-02-07 | 2022-05-06 | 广州大学 | Soil dry depth detection device and method based on reflection type ultrasonic waves |
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| CN201884023U (en) * | 2010-09-19 | 2011-06-29 | 山东科技大学 | Drill deposit thickness ultrasonic measurement system |
| CN103573261A (en) * | 2012-08-03 | 2014-02-12 | 中国石油天然气集团公司 | Underground ultrasonic roof and floor measuring method and device |
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| JPS6270779A (en) * | 1985-09-25 | 1987-04-01 | Matsushita Electric Works Ltd | Ultrasonic matter detector |
| JPH0850177A (en) * | 1994-08-05 | 1996-02-20 | Chubu Electric Power Co Inc | Ultrasonic distance measuring equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469236A (en) * | 2018-02-11 | 2018-08-31 | 北京航空航天大学 | A kind of intelligent column buried depth probe suitable for guardrail movement inspection platform |
| CN111481195A (en) * | 2020-04-23 | 2020-08-04 | 翟红 | Wireless acquisition system for electroencephalogram signal acquisition |
| CN114441644A (en) * | 2022-02-07 | 2022-05-06 | 广州大学 | Soil dry depth detection device and method based on reflection type ultrasonic waves |
| CN114441644B (en) * | 2022-02-07 | 2023-12-05 | 广州大学 | Soil dry depth detection device and method based on reflection type ultrasonic waves |
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Application publication date: 20160518 |